7 files changed, 101 insertions(+), 5 deletions(-)

M module-bsp/CMakeLists.txt
M module-bsp/board/linux/CMakeLists.txt
A module-bsp/board/linux/hal/temperature_source/TemperatureSource.cpp
M module-bsp/board/rt1051/bellpx/CMakeLists.txt
A module-bsp/board/rt1051/bellpx/hal/temperature_source/TemperatureSource.cpp
A module-bsp/hal/GenericFactory.hpp
M module-bsp/hal/temperature_source/TemperatureSource.hpp

@@ 23,6 23,9 @@ target_sources(
         drivers/pwm/DriverPWM.cpp
         drivers/semc/DriverSEMC.cpp
         drivers/usdhc/DriverUSDHC.cpp
+
+    PUBLIC
+        hal/temperature_source/TemperatureSource.hpp
 )
 add_board_subdirectory(board)
 

@@ 23,6 23,7 @@ target_sources(module-bsp
                 vibrator/vibrator.cpp
                 watchdog/software_watchdog.cpp
                 watchdog/watchdog.cpp
+                hal/temperature_source/TemperatureSource.cpp
 
                 ${CMAKE_CURRENT_BINARY_DIR}/eink-config.h
 )

@@ 0,0 1,32 @@
+// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
+
+#include <module-bsp/hal/temperature_source/TemperatureSource.hpp>
+#include <hal/GenericFactory.hpp>
+
+namespace hal::temperature
+{
+
+    class LinuxTemperatureSource : public AbstractTemperatureSource
+    {
+      public:
+        Result read()
+        {
+            temperature += 1.0;
+            if (temperature > limitUp) {
+                temperature = limitDown;
+            }
+            return temperature;
+        }
+
+      private:
+        static constexpr AbstractTemperatureSource::Temperature limitUp   = 10.0;
+        static constexpr AbstractTemperatureSource::Temperature limitDown = -10.0;
+        AbstractTemperatureSource::Temperature temperature{};
+    };
+
+    std::shared_ptr<AbstractTemperatureSource> AbstractTemperatureSource::Factory::create()
+    {
+        return hal::impl::factory<LinuxTemperatureSource, AbstractTemperatureSource>();
+    }
+} // namespace hal::temperature

@@ 8,6 8,10 @@ target_include_directories(
 
 target_sources(
         module-bsp
+
+    PRIVATE
+        hal/temperature_source/TemperatureSource.cpp
+
     PUBLIC
         eink-config.h
 )

@@ 0,0 1,23 @@
+// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
+
+#include <module-bsp/hal/temperature_source/TemperatureSource.hpp>
+#include <hal/GenericFactory.hpp>
+
+namespace hal::temperature
+{
+
+    class RT1051TemperatureSource : public AbstractTemperatureSource
+    {
+      public:
+        Result read() override
+        {
+            return hal::temperature::AbstractTemperatureSource::Result();
+        }
+    };
+
+    std::shared_ptr<AbstractTemperatureSource> AbstractTemperatureSource::Factory::create()
+    {
+        return hal::impl::factory<RT1051TemperatureSource, AbstractTemperatureSource>();
+    }
+} // namespace hal::temperature

@@ 0,0 1,24 @@
+// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
+
+#pragma once
+
+#include <module-os/CriticalSectionGuard.hpp>
+
+#include <memory>
+
+namespace hal::impl
+{
+    template <typename TDerived, typename TInterface, typename... Args>
+    inline std::shared_ptr<TInterface> factory(Args... args)
+    {
+        const auto criticalSection = cpp_freertos::CriticalSectionGuard{};
+        static std::weak_ptr<TDerived> singleton;
+        auto inst = singleton.lock();
+        if (not inst) {
+            inst      = std::make_shared<TDerived>(args...);
+            singleton = inst;
+        }
+        return inst;
+    }
+} // namespace hal::impl

@@ 3,15 3,24 @@
 
 #pragma once
 
+#include <memory>
 #include <optional>
 
-namespace bsp::hal
+namespace hal::temperature
 {
-    class TemperatureSource
+    class AbstractTemperatureSource
     {
       public:
-        using Temperature     = float; ///< Celsius degrees
-        using Result          = std::optional<Temperature>;
+        struct Factory
+        {
+            static std::shared_ptr<AbstractTemperatureSource> create();
+        };
+
+        virtual ~AbstractTemperatureSource() = default;
+
+        using Temperature = float; ///< Celsius degrees
+        using Result      = std::optional<Temperature>;
+
         virtual Result read() = 0;
     };
-} // namespace bsp::hal
+} // namespace hal::temperature